Spicy Pumpkin and Parsnip Soup

Olive oil, knob of butter
3 onions, roughly sliced
2 cloves garlic, thinly sliced
3 parsnips, peeled and thinly sliced
1 medium butternut pumpkin, peeled and chopped
2 Massel parve chicken stock cubes
half tsp Cayenne Pepper
Salt

Fry onion in olive oil/butter for a few minutes, add sliced parsnip and garlic, saute for another minute.  Add pumpkin, stock cubes, salt and cayenne pepper.  Cover with water. Bring to boil and allow to simmer for about half an hour, until vegetables are cooked through.  Puree until smooth.